Question

How to plot 3D line graph?

How to plot a 3D graph below. I had tried "bar3", but it shown all the line up as bar graph. I want the line shown below. ...

3 meses ago | 2 answers | 0

Question

Amplitude Modulation Synthesis function in matlab?

For Amplitude Modulation, it suppose to have carrier amplitude and modulated amplitude. however, the matlab built in function...

4 meses ago | 0 answers | 0

Question

How to get Matlab read my char file in excel?

I have a list of char in my excel file. I want to import to my matlab like below: I had tried below y=csvread('test10...

5 meses ago | 1 answer | 0

Question

How to get Matlab read my char file in excel?

Let say I have a csv file and have a list of char inside. I want to read it as: x=dlmread('test10042019_char.csv'); y...

5 meses ago | 1 answer | 0

Question

how to create a char

I am trying to follow: https://uk.mathworks.com/help/stats/boxplot.html One of the code, said that: load carsmall How can ...

5 meses ago | 1 answer | 0

Question

How to turn a discrete to a continuous using t

I want to turn a discrete value to a continous using a t as time. (I also not sure what i asking is correct) Basically, I ...

6 meses ago | 0 answers | 0

Question

What does i mean as example: 1.2428 - 0.0003i

What is the meaning of the result i get when i run matlab code: 1.2428 - 0.0003i 1.2320 - 0.0003i 1.2250 - 0.0002i...

6 meses ago | 2 answers | 0

Answered

what does "X = X./max(max(X))" means?>

https://slideplayer.com/slide/14985720/ source

what does "X = X./max(max(X))" means?>

https://slideplayer.com/slide/14985720/ source

6 meses ago | 0

Question

what does "X = X./max(max(X))" means?>

>> X=[1,2,3,4] X = 1 2 3 4 >> X = X./max(max(X)); >> X X = 0.2500 0.5000 0.7500 ...

6 meses ago | 3 answers | 0

Question

LDA for 2 classes only, why have 3 classes?

Hi, I am trying to use the original code Link here LDA link I found strange is the dataset have 3 classes, but the plotted ...

7 meses ago | 0 answers | 0

Question

What is the meaning of vec2ind "Convert vectors to indices"?

vec2ind vec = [0 0 1 0; 1 0 0 0; 0 1 0 0]' vec = 0 1 0 0 0 1 1 0 0 0 0 ...

7 meses ago | 0 answers | 0

Answered

Reducing dimensionality of features with PCA

Is there any setting input arguement of coeff = pca(X) coeff = pca(X,Name,Value) [coeff,score,latent] = pca(___) [coeff,sco...

Reducing dimensionality of features with PCA

Is there any setting input arguement of coeff = pca(X) coeff = pca(X,Name,Value) [coeff,score,latent] = pca(___) [coeff,sco...

7 meses ago | 0

Answered

PCA to reduce dimensionality of feature vector

I just want to have a simple PCA to reduce my dimensionality of let say 400 * 5000 to 400 * 4 meaning reduce from 5000 to 4. ...

PCA to reduce dimensionality of feature vector

I just want to have a simple PCA to reduce my dimensionality of let say 400 * 5000 to 400 * 4 meaning reduce from 5000 to 4. ...

7 meses ago | 0

Question

PCA in Matlab reduce dimensionality

I just want to have a simple PCA to reduce my dimensionality of let say 400 * 5000 to 400 * 4 meaning reduce from 5000 to 4. ...

7 meses ago | 1 answer | 0

Answered

How "hold on" function works?

Is "hold on" function only work in plotting? csvwrite('1test.csv',a, 0,1); hold on; csvwrite('1test.csv',b, 0,2); It seemed ...

How "hold on" function works?

Is "hold on" function only work in plotting? csvwrite('1test.csv',a, 0,1); hold on; csvwrite('1test.csv',b, 0,2); It seemed ...

7 meses ago | 0

Question

How to write multiple input into one csv file

Let say I have a=1; b=2; c=3; d=4; I want to put this output value in matlab to a csv file in the order below. I can use...

7 meses ago | 1 answer | 0

Question

How to read only 1 value in row 2, column 1 ?

I just want to read one value in my csv file. For example: filename = 'csvlist.dat'; M = csvread(filename) result is M = ...

7 meses ago | 2 answers | 0

Question

Why "File not found"?

I am trying to follow the example of csvread here csvread filename = 'csvlist.dat'; M = csvread(filename) I have csvlist.dat...

7 meses ago | 0 answers | 0

Question

How to find a slope of signal if we do not know the value of x1, x2, y1, y2

How can we find the slope of a signal if we do not know the value of x1, x2, y1, y2 which we cannot use Slope = (y2 - y1) / (...

7 meses ago | 1 answer | 0

Question

How to plot a specific value in Y-axis?

I want to plot a specific range of Y-axis and not the entire Y-axis. For example: load sunspot.dat year = sunspot(:,1); av...

7 meses ago | 1 answer | 0

Question

How to find the value of "Border" in findpeaks built-in function?

Example using this link findpeaks function example link x = linspace(0,1,1000); Pos = [1 2 3 5 7 8]/10; Hgt = [4 4 2 2...

7 meses ago | 0 answers | 0

Question

How to cut out specific segment from findpeaks function?

Hi All, I am trying to figure out how to cut out the specific segment of the signal where I draw the border using findpeaks fun...

8 meses ago | 3 answers | 0

Question

What is the meaning of "width" and "prominences" in findpeaks

It said that: [pks,locs,w,p] = findpeaks(data) additionally returns the widths of the peaks as the vector w and the prominences...

8 meses ago | 1 answer | 0

Answered

how to use helperGaitPlot?

It still not working even with Matlab version 2018b. It said: Undefined function 'helperGaitPlot' for input arguments of typ...

how to use helperGaitPlot?

It still not working even with Matlab version 2018b. It said: Undefined function 'helperGaitPlot' for input arguments of typ...

8 meses ago | 0

Question

how to use helperGaitPlot?

How to use helperGaitPlot helperGaitPlot('als1m'); xlim([0 30]) when i run, it said: >> helperGaitPlot('als1m'); xlim([0 30...

8 meses ago | 3 answers | 0

Question

CUSUM and CUMSUM, cusum not found

Hi, I am using Matlab version 2015b. I can use "cumsum", but not "cusum". Is it because of different version? cusum link: c...

8 meses ago | 2 answers | 0

Question

Error in using Load

I am trying to follow "Detecting Outbreaks and Significant Changes in Signals". Link as follow: Link load WestAfricanEbolaOu...

8 meses ago | 1 answer | 0

Answered

peak width calculation methods

I still cannot get the meaning how the width being calculated.

peak width calculation methods

I still cannot get the meaning how the width being calculated.

8 meses ago | 0

Answered

findpeaks ( 'WidthReference','halfheight' ) not finding width of peak

Maybe you can paste your code here and have a look. Are you able to find the peaks on your data?

findpeaks ( 'WidthReference','halfheight' ) not finding width of peak

Maybe you can paste your code here and have a look. Are you able to find the peaks on your data?

8 meses ago | 0